Which of the following statement (S) is true
- The pressure of a fixed amount of an ideal gas is proportional to its temperature only
- Frequency of collisions increases in proportion to the square root of temperature
- The value of van der Waal?? constant ???
- If a as is expanded at constant temperature, the kinetic energy of the molecules decrease
The Correct Option is B
Solution and Explanation
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Concepts Used:
Gas Laws
The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between pressure, volume and temperature of a sample of gas could be obtained which would hold to approximation for all gases.
The five gas laws are:
- Boyle’s Law, which provides a relationship between the pressure and the volume of a gas.
- Charles’s Law, which provides a relationship between the volume occupied by a gas and the absolute temperature.
- Gay-Lussac’s Law, which provides a relationship between the pressure exerted by a gas on the walls of its container and the absolute temperature associated with the gas.
- Avogadro’s Law, which provides a relationship between the volume occupied by a gas and the amount of gaseous substance.
- The Combined Gas Law (or the Ideal Gas Law), which can be obtained by combining the four laws listed above.